Benefits of BPC 157 for Gut Repair BPC 157 is well studied for its cytoprotective effects on the gastrointestinal (GI) tract. It appears to: Strengthen the gut lining and barrier integrity: By promoting collagen Can peptides help resolve chronic gut issues? Quite possibly! In my clinical practice, I've seen profound results by adding these three peptides: BPC 157, KPV, and glutathione. Why peptides? These peptides help Beneficial metabolic effects of PAHSAs depend on the gut microbiota in diet induced obese mice but not in chow fed mice PNAS Frontiers Mood and microbes: a comprehensive review of intestinal microbiota's impact on depression